The Majorana neutrinoless double-beta decay experiment

被引：35

作者：

Aalseth, CE ^{[1
]}

Anderson, D

Arthur, R

Avignone, FT

Baktash, C

Ball, T

Barabash, AS

Brodzinski, RL

Brudanin, VB

Bugg, W

Champagne, AE

Chan, YD

Cianciolo, TV

Collar, JI

Creswick, RW

Doe, PJ

Dunham, G

Easterday, S

Efremenko, YV

Egorov, VG

Ejiri, H

Elliott, SR

Ely, J

Fallon, P

Farach, HA

Gaitskell, RJ

Gehman, V

Grzywacz, R

Hazma, R

Hime, H

Hossbach, T

Jordan, D

Kazkaz, K

Kephart, J

King, GS

Kochetov, OI

Konovalov, SI

Kouzes, RT

Lesko, KT

Macchiavelli, AO

Miley, HS

Mills, GB

Nomachi, M

Palms, JM

Pitts, WK

Poon, AWP

Radford, DC

Reeves, JH

Robertson, RGH

Rohm, RM

机构：

[1] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA

[2] Pacific NW Natl Lab, Richland, WA USA

[3] Oak Ridge Natl Lab, Oak Ridge, TN USA

[4] Los Alamos Natl Lab, Div P, Los Alamos, NM USA

[5] Inst Theoret & Expt Phys, Moscow 117259, Russia

[6] Joint Inst Nucl Res, Dubna 141980, Russia

[7] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

[8] Triangle Univ Nucl Lab, Durham, NC 27706 USA

[9] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC USA

[10] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[11] Univ Chicago, Ctr Cosmol, Enrico Fermi Inst, Chicago, IL 60637 USA

[12] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[13] Osaka Univ, Res Ctr Nucl Phys, Suita, Osaka 565, Japan

[14] Brown Univ, Dept Phys, Providence, RI 02912 USA

[15] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

[16] Duke Univ, Dept Phys, Durham, NC 27706 USA

[17] Lawrence Livermore Natl Lab, Livermore, CA USA

[18] New Mexico State Univ, Carlsbad, CA USA

来源：

PHYSICS OF ATOMIC NUCLEI | 2004年 / 67卷 / 11期

关键词：

D O I：

10.1134/1.1825519

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The proposed Majorana double-beta decay experiment is based on an array of segmented intrinsic Ge detectors with a total mass of 500 kg of Ge isotopically enriched to 86% in Ge-76. A discussion is given of background reduction by material selection, detector segmentation, pulse shape analysis, and electroformation of copper parts and granularity. Predictions of the experimental sensitivity are given. For an experimental running time of 10 years over the construction and operation of the Majorana setup, a sensitivity of T-1/2(0v) similar to 4 x 10(27) yr is predicted. This corresponds to <m(v)> similar to 0.003-0.004 eV according to recent QRPA and RQRPA matrix element calculations. (C) 2004 MAIK "Nauka/Interperiodica".

引用

页码：2002 / 2010

页数：9

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